Uneven asian eyelids, how can I fix this? (photos)

I have the typical asian monolids.My left eye seems to be bigger than the right eye.My left eye has a little crease at the end.My right eye also has a small crease appear at the end.When i pull up the inner corner skin of my eyes.It resembles a double eyelid (with a lot of sagging)Is this because i have a flat nose bridge?How can i fix this and get even clear double eyelids?Please help,i feel really self consious about it.